Grain-car door



Nov. 9 192s. M0626@ J. SHBSHUK GRAIN CAR v190051 Filed Jan. 26, 1924 2 Sheets-Sheet 1 A XT j@ 0 Nw.v 9 1926. 1,606,266 J. A. SHISHUK GRAIN CAR DOOR Filed Jan. 26, 1924 2 Sheets-Sheet 2 p* will mi ilI Patented Nov. 9, 1926.

JOHN A. SHISH'UK, OF MINNEAPOLS, MINNESOTA.

GRAIN-CAR DOOR.

Application filed January `26, 1924. Serial No. 68,705.

My invention relates to improvements in grain car doors. Y

The closure commonly employed for grain car doorways consists of a number of door sections, which are placed edge on edge across a doorway and nailed at their ends to the inner sides of the door post or to nail# ing strips on said posts. In unloading a car thus equipped, the lowermost door Vsection is dislodged to permit the grain to liow from the car. Expensive and cumbersome devices have been constructed with the view of removing such lowermost door sections from grain sealing position, but these devices like the hand tools ordinarily employed invariably result in damage or de'n struction to said door sections during the dislodgement thereof from a loaded car.

Though relatively inexpensive, the waste occasioned in the breakage of these simple door sections is very great. Numerous closures have been vdevised as substitutes for all or certain of the usual grain door sections, but they have not met with such favor as to supplant the use of the ordinary sections.

An object of my invention is to provide a car door including the ordinary or similar door sections and a simple, durable, and inexpensive door holding means readily applicable to a ear 4door frame, said means being adapted to normally secure one end of the lowermost door section against outward dislodgement from. grain sealingv position and capable of operation to allow forV the quick and easy removal of said door section without vinjury thereto.

With the foregoing `and other objects in view. which will appear in the following description, the invention resides in the novel combination and arrangement of parts and in the details of construction hereinafter describedand claimed. 'f

In the drawings, Fig. 1 is an elevationa view illustrating superimposed door sections extending across a car door opening and showing holding means engaged with the lowermost door section; Fig. 2 is a vertical sectional View taken on the line 2-2 o f Fig. 1; Fig. 3 is a similar view taken onv the line 3 3 of Fig. 1; Fig. 4, is a horizontal sectional view taken on the line iw-1l of Fig. 2; Fig. 5 is a similar view taken on the line 5-5 of Fig. 2: FigjG is a fragmentary per spective View illustrating a portion of my improved door in connection with a part of anordinary car door frame; Fig. 7 is a fragmentary perspective view showing an alternate arrangement ,of the parts illustrated in Fi 6 and Fig. Sis asectional view similar to Fig. 2` the same showing an alternate form of door holding means, the lowermost door section being illustrated in dotted lines. i

Referring to the drawings, it will be observed that my door structure includes a numberiof the usual door sections a and a door holding device B, the latter comprising an encasing body b, an abutment 10 slidable in the'body and anchoring bolts 11 extending through said body, slidable abutment 10 and car door frame. ,Y

rThe body corresponds in width to an ordinary car door post 12 and it-s height is equal to the width of the widest door sections a.- Said *bodyv preferably comprises a steel forging or casting consisting of a side plate 13, base flange 14:,y top flange 15, and end flange 16, turned back from said,A side plate 13. I have illustrated this body bias applied to the customary freight car structure Y including the usual door post 12, outer siding boards 17, inner lining `18 and nailing strip 19 (Figs. 2 and 3) fastened inside of said liningat the margin of the door frame. To apply the door holding device B to a door frame in a car structure of this kind, it is fitted with nuts 11a attheir outer extremities,

extend through the bodyV o and door frame and' hold said bodyirigidly in place, against the vinner lining 18. Said bolts reaching' through horizontal guideslots 21:in n

the abutment 10 slidably support said abutment. The'l ends of the guide slots 21 are turned upward to form notches 21a, 21", said notches being designe-d to engage with the anchoring bolts 11 and retain the abutment this nailing strip and the face of the companion strip at the opposite side of the door frame, said abutment being thus positioned by means of spacing washers 22 and a filler strip 23. Said filler strip 23 occupies the space within the body o, between the abutment 10 and the inner lining 18, while the spacing washers 22 are located on the anchoring` bolts l1 between the plate l0 of the body and said abutment. A recess 24e in the outer edge of the filler strip 23 serves to expose an indentation 25 in the abutment l0, when said abutment is sheathed within the body b.

To prepare the car for 1loading, the abutment. 10 is shift-ed into position projecting into the doorway (Fig. 6), wherein it is latched by the engagement of the bolts 11 with the notches 21h. One end of the lower doorsection a (Fig. a), instead of lapping the nailing strip 19a in the usual manner, is abutted against the body b with the outer margin of said end against the bearing surface of the abutment 10. The opposite end of said door closure section overlaps the face of the nailing strip atthe opposite side of the door frame and is tacked thereto. After the lower door section a is thus positioned, a second section is placed edgewise upon the first and a third section upon the second and so on until the door is high enough to suit the immediate needs, those sections except the lowermost section being lapped at their ends over t-he nailing strips of the door frame andtacked thereto. It will be observed that the top flange 15 of the body Z2 extends beyond the face 19a of the nailing strip 19 and forms a shelf. If the width ofthe lower door section a is equal to the height of the body Z), the lower edge of a second door section@ will rest snugly upon the upper edge of said lower section and the top flange 15 of the Vbody Q In loading the car, the pressure of the grain or other loose lading against the lower door section a holds the end of said section adjacent the door holding device B Y rmly against the abutment 10.

When the car is to be unloaded, the abutment 10 is raised'sufiiciently to disengage the notches 21b from thev anchorng bolts 11 as by means of a crow bar or other suitable tool applied to the lower edge of said abutment. The abutment is then slid to its inner position within the body b, wherein it is latclied by engagement of the bolts 11 with the notches 21a. Ars said abutmentl clears and frees the end of the lower Vdoor section ci, the pressure of the grain from within the car swings said end outwardly. The dislodgment of the lower door section a permits the grain to How from the car, the rate of flow being readily controlled by the degree to which the door section is permitted to be swung outwardly. The top flange 15 and endflange 16 close the body 'b against the entry of grain thereto from wit-hin the car. rlhe end flange 16 forms an obtuse angle with respect to the side plate 13 and, in edect, provides a beveled end (Figs. il and 5) for lthe body This arrangement protects the body b against iiijury from or displacement by the various freight discharging devices in common use.

Insome freight cars the inner lining and nailing strips are omitted as shown in Fig. 7. Under suoli conditions, the body b, constructed as liereinbefore described, is fitted into a recess out in the door post 12. `With the door holding device B thus located, the inner face of the abutment 10 rests in the plane of the faces of the opposed door posts, said posts and the top flange 15 of the body b serving as bearing surfaces for the door sections in the manner above described. ln instances where the width of the lower door section is less than the height of the body Z) a triangular cracl; is left between said lower door section and the second door section by reason of the latter resting at one end on the flange l5 of the body b. This crack or opening is readily closed to prevent the loss of grain therethrough by tacling a batten strip or a spare door section over said crack from within the door structure.

l employ an alternate form of door lholding device B (F 8), in which the previously described filler strip 23 and washers 22 are omitted and wherein the top flange 15, end flange 16 and base flange 14 are reduced in width. In this form, the device may be recessed in the post 12 to bring the inner face of the abutment 10 precisely into the plane of the bearing surface of the post 12, but this is notnecessary as will be observed from Fig. 8 of the drawing, wherein the inner face of the abutment 10 is shown as resting in a plane slightly inside of the plane of the face of the lpost 12. `The distance between said planes amounts only to the thickness of thev abutment 10 and this being one-fourth or less of the thickness. of a door section. a leaves ample grain sealing areas .between the meeting edges of the lower and second door sections. Even .if the upper edge of the lower door section does not meet the lower edge of the second section, the inner faces of said sections are so nearly co-planar thatno diculty is met in closing the space with a Ibatten, strip or one of the usual door sections.

Changes inthe specific form Vof my ini through said body and the car door frame, and a movable abutment having slots therein receiving the bolts and formed at their ends with upturned latching notches for Cooperation with said bolts, said abutment being slidable on said bolts from inoperative ylatched position within said body to operative latched position for holding one end of said section against outward dislodgment from grain sealing position, said bolts serving as guides for the abutment and also to secure the body to the car door frame.

2. The combination with a car and door lclosing section therefor, of door holding means comprising a body, bolts extending through said body and the car door frame, and a movable abutment formed with slots therein receiving said bolts, said abutment being slidable on said bolts from inoperative sheathed position within the body to operative projected position for holding one end of said section against outward dislodgmentfrom grain sealing position, said bolts serving as guides for the abutment and .therein receiving said bolts, said abutment being slidable on said bolts from inoperative sheathed position, between said side plate and car door structure, to operative projected position for holding one end of said section against outward dislodgment from grain sealing position, said bolts serv-v ing as guides for the abutment and also to secure said body to the car door structure.

In testimony whereof, I have signed my naine to this specification.

JOHN A. SHISHUK. 

